Senior Network Engineer - Multi-Vendor & BGP/MPLS

Comcast Corporation; Mount Laurel Township (NJ); On-site; USD 93,000 - 139,000; Full time

Job summary

Comcast Corporation is seeking an experienced Network Engineer 3 to design, implement, troubleshoot, and support large-scale, multi-vendor networks. The role emphasizes strong IP networking fundamentals, hands-on problem solving, and reliability engineering to keep production networks running smoothly.

You will work on Cisco, Juniper, Nokia platforms, collaborate with cross-functional teams, and own network health checks, deployments, and incident resolution in a dynamic on-site environment in

Qualifications

• 5+ years in network engineering or related infra roles.
• Bachelor's degree in CS, Networking, or related field.
• Strong TCP/IP, IPv4/IPv6, subnetting and packet forwarding knowledge.
• Experience with multi-vendor networks (Cisco, Juniper, Nokia).
• Familiarity with BGP, IS-IS, OSPF, MPLS.

Responsibilities

• Design, implement, troubleshoot, and support large-scale networks.
• Troubleshoot complex routing, connectivity, and performance issues.
• Configure and support Cisco, Juniper, Nokia platforms.
• Perform network changes, migrations, and validations.
• Collaborate with engineering, operations, and vendors.

Skills

TCP/IP basics

Routing protocols

BGP/IS-IS/OSPF

Multi-vendor networks

Troubleshooting

IPv6 subnetting

Analytical skills

Communication

Education

Bachelor's degree in Computer Science / Network Engineering / Telecommunications

Tools

Wireshark

tcpdump

Telemetry

SNMP

Network monitoring tools

Job description

Comcast Corporation is seeking an experienced Network Engineer 3 to design, implement, troubleshoot, and support large-scale, multi-vendor networks. The role emphasizes strong IP networking fundamentals, hands-on problem solving, and reliability engineering to keep production networks running smoothly.

You will work on Cisco, Juniper, Nokia platforms, collaborate with cross-functional teams, and own network health checks, deployments, and incident resolution in a dynamic on-site environment in